The company has created the world's smallest mobile smart antenna which it claims could double the battery life in mobile devices, while also greatly improving mobile connectivity. This technology will be crucial, Sofant says, with the introduction of 5G mobile data being driven by increasing use of apps such as Snapchat, Instagram and Netflix.

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The company's patented technology was born out of a £1m space programme to develop miniaturised satellites. The firm has been led since the start of 2017 by chief executive David Wither, a serial entrepreneur with 20 years' experience in the radio frequency and wireless industry.

"We are very pleased to have received such strong support from our existing investors which will enable us to expand our investor base," Wither said. "The Sofiant team now has the support its needs to take our leading edge technology to the next level."